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Objective. To develop a new method of representing 3-D joint angles that is both physically meaningful and mathematically stable.Design. The two halves of a joint are modeled as overlapping cylinders. This simple physical model is easily understood and yields mathematically stable angle equations.Background. Two currently-used methods are the Euler/Cardan (joint coordinate system) method and the...
Objective. To investigate the lubricating ability in osteoarthritic (OA) stifle joints.Design. An experimental study in rabbit stifles in vitro.Background. The lubricating ability in OA joints, and the effects of the application of hyaluronic acid (HA), a drug for OA, to the osteoarthritic joints have not yet been reported.Methods. The friction in OA stifles induced by two different methods, the...
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